| State | Utah |
|---|---|
| Name | Aspen Shale and Kelvin Formation |
| Geologic age | Early Cretaceous |
| Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Shale (Bed)
Incidental
Sedimentary > Clastic > Siltstone (Bed)
|
| Comments | continental fluvial and alluvial, upper Kelvin and Aspen marine |
| References | Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.Prothero, D.R., 1983, The oldest mammalian petrosals from North America: Journal of Paleontology, v. 57, no. 5, p. 1,040-1,046.Schneider, H., and Kenrick, P., 2001, Review of Palaeobotany and Palynology, v. 115, no. 1-2, p. 33-41.Ryer, T.A., 1990, The Cretaceous section at Coalville, Utah: America Association of Petroleum Geologists, v. 74, no. 8, p. 1,344. |
| NGMDB product | |
| Counties | Morgan - Salt Lake - Summit |